feat: skeleton

src/config.js

@@ -0,0 +1,31 @@
+// Tunable constants. Ranges are [min, max] inclusive and rolled per-scene.
+
+export const TILE = 40;
+export const COLS = 24;
+export const ROWS = 14;
+export const CANVAS_W = TILE * COLS; // 960
+export const CANVAS_H = TILE * ROWS; // 560
+
+// Movement (px/sec). Link is slightly faster than the player.
+export const PLAYER_SPEED = 130;
+export const LINK_SPEED = 150;
+
+// Per-scene entity counts.
+export const OBSTACLE_COUNT = [6, 12];
+export const POT_COUNT = [5, 8];
+export const GRASS_COUNT = [8, 15];
+export const CHICKEN_COUNT = [2, 4];
+
+// Gameplay tuning (used from later milestones).
+export const THROW_TILES = [2, 3];
+export const SHARDS_PER_POT = [1, 3];
+export const DISTRACT_RADIUS = 4; // tiles
+export const FLEE_TIME = 1.5; // seconds
+
+// Draw layers. World entities use z = pos.y so lower sprites overlap higher
+// ones; ground sits below everything, flying pots and HUD above.
+export const Z = {
+  GROUND: -10,
+  FLYING: 5000,
+  HUD: 10000,
+};